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koban [17]
3 years ago
7

If f(x)=3x+7, find: f(-2)= [?]

Mathematics
1 answer:
miv72 [106K]3 years ago
6 0

Answer:

1

Step-by-step explanation:

substitute -2 for x

3(-2) + 7

-6 + 7

1

hope it helps :)

mark brainliest!!

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tangare [24]

Answer:

x=17

Step-by-step explanation:

Since these angles are supplementary, they will add up to 180 degrees, so you can set up the equation like this:

4x+8+104=180

First, combine like terms:

4x+(8+104)=180

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Next, subtract 112 from both sides:

4x+112(-112)=180(-112)

4x=68

Then, divide each side by 4:

4x(/4)=68(/4)

x=17

17 is your answer.

3 0
2 years ago
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Answer:

Step-by-step explanation:

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2 years ago
Help this question is due in like 15 minutes :p
fomenos

Answer:

A= 150°

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Step-by-step explanation:

Since a line is 180°, you can write an equation for C. C+30°=180° , from here use algebra to find C. The value of C will be 150°. When the value of C is 150° , since they're supplementary angles, the value of A will also be 150°.

Important thing to note:

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